Home / 28,847,497.80-43,234,505.10-11,788,897.80

Finding the Fourth Proportional to 28,847,497.80, 43,234,505.10 and 11,788,897.80

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Solution

The fourth proportional to 28,847,497.80, 43,234,505.10 and 11,788,897.80 is: 17,668,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847,497.80 : 43,234,505.10 = 11,788,897.80 : x
  2. Step 2: Convert to fraction form
    28,847,497.80/43,234,505.10 = 11,788,897.80/x
  3. Step 3: Cross multiply
    28,847,497.80x = 43,234,505.10 × 11,788,897.80
  4. Step 4: Simplify right side
    28,847,497.80x = 509,687,162,057,478.81
  5. Step 5: Solve for x
    x = 509,687,162,057,478.81/28,847,497.80
  6. Step 6: Final answer
    x = 17,668,331.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.